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SEGMENT REPORTING - Summary of Revenues Attributable to Services Provided by Company (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Revenue from External Customer [Line Items] |  |  |  |
Revenues | $ 198,547 | $ 172,832 | $ 549,670 | $ 485,936
Collection |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | 98,966 | 79,611 | 274,111 | 220,650
Disposal |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | 50,552 | 48,737 | 134,746 | 136,217
Power generation |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | 808 | 920 | 2,655 | 4,014
Processing |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | 2,640 | 2,079 | 5,426 | 5,847
Solid waste operations |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | 152,966 | 131,347 | 416,938 | 366,728
Organics |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | 14,166 | 13,413 | 42,668 | 40,259
Customer solutions |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | 20,689 | 17,195 | 58,058 | 48,315
Recycling |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Revenues | $ 10,726 | $ 10,877 | $ 32,006 | $ 30,634

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(1)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
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